2211011330321 has 4 divisors (see below), whose sum is σ = 2262430198512. Its totient is φ = 2159592462132.

The previous prime is 2211011330317. The next prime is 2211011330347. The reversal of 2211011330321 is 1230331101122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2211011330321 - 2² = 2211011330317 is a prime.

It is a super-2 number, since 2×2211011330321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211011330293 and 2211011330302.

It is not an unprimeable number, because it can be changed into a prime (2211011330621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25709434031 + ... + 25709434116.

It is an arithmetic number, because the mean of its divisors is an integer number (565607549628).

Almost surely, 2^{2211011330321} is an apocalyptic number.

It is an amenable number.

2211011330321 is a deficient number, since it is larger than the sum of its proper divisors (51418868191).

2211011330321 is an equidigital number, since it uses as much as digits as its factorization.

2211011330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51418868190.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2211011330321 its reverse (1230331101122), we get a palindrome (3441342431443).

The spelling of 2211011330321 in words is "two trillion, two hundred eleven billion, eleven million, three hundred thirty thousand, three hundred twenty-one".